Question: I need a solution that allows me to create targeted messaging campaigns for my crypto wallet holders, can you suggest one?

If you're looking for a more complete solution to build messaging campaigns for your crypto wallet holders, Holder is a great option. This web3 CRM and marketing automation tool lets you reach your customers through crypto wallets and other channels like Discord and OpenSea. With XMTP-integrated messaging, you can send messages in real time and with the right audience. The CRM features let you build very finely segmented audiences based on wallet data, web3 social identities and off-chain data, so you can build dynamic customer segments and maintain contact profiles. Automation tools let you build personalized omnichannel customer journeys and trigger campaigns based on on-chain activity.

Another option is Sendbird, a communications API platform that lets you build your own messaging experience across many channels. It has features like targeted messaging, group chat, AI-powered conversations and message translation. Sendbird offers very abstracted APIs, SDKs and UI kits so it can work on a lot of different platforms. It's geared for industries that need a high level of security, so it should be a good option for crypto wallet holder communications that need to be reliable and secure.

If you're looking for a more general purpose growth and engagement tool, ZooTools is worth a look. It integrates with popular apps to help you acquire, engage and retain users with targeted email campaigns, push notifications and NFTs. With features like AI-optimized titles and A/B testing, ZooTools can help you optimize your email marketing and build a good engagement strategy for your crypto wallet holders. The tool is free to use, with new features added all the time, so it's a good option for marketers who want to streamline their growth operations.